This from Oracle , I am posting this for my Reference
Oracle Service Bus transforms complex and brittle architectures into agile integration networks by connecting, virtualizing, and managing interactions between services and applications. Oracle Service Bus delivers low-cost, standards-based integration for mission critical SOA environments where extreme performance, scalability and reliability are critical requirements.
Oracle Service Bus enables companies to unlock the value of their enterprise applications portfolio. From on-premise, to the cloud to mobile devices and to the future, Oracle Service Bus allows companies to leverage their existing investments in whole new ways.
Oracle Service Bus extends the performance and scalability leadership of Oracle SOA Suite and Oracle API Management.